/* 配置聊天区域的属性 */

.client-container{
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main{
    width: 1000px;
    height: 740px;
    background-color: rgb(238, 238, 238);

    border-radius: 5px;

    display: flex;

    z-index: 2;
}

.main .left{
    width: 280px;
    height: 100%;
    background-color: rgb(46, 50, 56);

    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    
}

.main .right{
    width: 720px;
    height:100%;
    
    padding: 0 20px;
}

.cover{
    width: 100%;
    height:100%;

    background-image: url(../img/rock2.png);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;

    /* 为了让main和cover重叠，给cover加一个position属性 */
    position:absolute;
    top:  0;
    left: 0;

    z-index: 1;

    /* 使用css的滤镜效果 */
    filter: blur(20px);
}

.main .left .user{
    height: 80px;
    font-size: 20px;
    line-height: 80px;
    color:white;
    padding: 0 20px;
}

.main .left .search{
    height: 40px;
    padding: 0 20px;

    /* 使用弹性布局，让搜索框居中 */
    display: flex;
    justify-content: center;
    align-items: center;
}

.main .left .search input{
    height: 34px;
    width: 200px;
    line-height: 34px;
    font-size: 14px;
    color: white;
    background-color: rgb(38, 41, 46);

    /* 去除边框和轮廓线 */
    border:none;
    outline: none;

    padding: left 10px;
    border-radius: 5px;
}

.main .left .search button{
    height: 34px;
    width:  34px;
    border:none;
    outline: none;

    background-color: rgb(38, 41, 46);

    border-radius: 5px;
    background-image: url(../img/search.png);
    background-repeat: no-repeat;
    background-size: 20px 20px;
    background-position: center center;
}

.main .left .search button:active{
    background-color: grey;
}

.main .left .tab{
    height: 50px;
    display: flex;
    align-items: center;
}

.main .left .tab .tab-session{
    height:100%;
    width:50%;

    background-image: url(../img/会话.png);
    background-repeat: no-repeat;
    background-size: 30px 30px;
    background-position: center center;
}

.main .left .tab .tab-friend{
    height:100%;
    width:50%;

    background-image: url(../img/用户2.png);
    background-repeat: no-repeat;
    background-size: 30px 30px;
    background-position: center center;
}

.main .left .list{
    height: 570px;

    /* 增加滚动条 */
    overflow: auto;
}

.main .left .list li{
    height: 60px;
    padding: 10px 20px;
    color: white;
    /* 增加上边界线 */
    border-top: 1px solid black;
}

.main .left .list .selected{
    background-color: rgb(46, 54, 65);
}

.main .left .list li h3,
.main .left .list li p{
    height: 20px;
    font-size: 14px;
    line-height: 20px;
}

.main .left .list li h4{
    height:40px;
    line-height: 40px;
    font-size: 20px;
}

/* 使用这个css标签实现自动隐藏 */
.hide{
    display: none;
}

/* 隐藏桌面的所有滚动条 */
::-webkit-scrollbar{
    display: none;
}

.main .right .title {
    height: 50px;
    line-height: 50px;
    font-size: 20px;
    text-align: center;
    border-bottom: 1px solid #ccc;
}

.main .right .message-show{
    height: 550px;

    border-top:1px solid #ccc;
    border-bottom:1px solid #ccc;

    /* z自动增加滚动条 */
    overflow: auto;
}

.main .right .message-show .message{
    margin-top: 10px;
    /* 宽度默认100% */
    display: flex;
}


.main .right .message-show .message-left{
    justify-content: flex-start;
}

.main .right .message-show .message-right{
    justify-content: flex-end;
}

.main .right .message-show .message .box{
    width: 500px;
}
.main .right .message-show .message .box h4{
    /* 去掉加粗效果 */
    font-weight: normal;
    height: 20px;
    line-height: 20px;
    font-size: 16px;
}

.main .right .message-show .message .box p{
    padding: 20px;
    border-radius: 10px;
}

.main .right .message-show .message-left .box p{
    background-color: #fff;
}

.main .right .message-show .message-right .box p{
    background-color: rgb(149, 236, 105);
}

.main .right .message-input{
    display: block;
    width:100%;
    height:100px;
    border: none;
    outline: none;

    margin-top: 2px;
    background-color:rgb(238, 238, 238);
    padding: 10px;
    resize: none;
}

.main .right .ctrl{
    height: 35px;
    display: flex;
    justify-content: flex-end;
}

.main .right .ctrl button{
    height: 35px;
    width:100px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.main .right .ctrl button:active{
    background-color: grey;
    color: white;
}